CN102948158B - Broadcast prolongation table generator, broadcast replenishment system and broadcast compensation process - Google Patents
Broadcast prolongation table generator, broadcast replenishment system and broadcast compensation process Download PDFInfo
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- CN102948158B CN102948158B CN201180020756.7A CN201180020756A CN102948158B CN 102948158 B CN102948158 B CN 102948158B CN 201180020756 A CN201180020756 A CN 201180020756A CN 102948158 B CN102948158 B CN 102948158B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/16—Arrangements for broadcast or for distribution of identical information repeatedly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/20—Arrangements for broadcast or distribution of identical information via plural systems
- H04H20/24—Arrangements for distribution of identical information via broadcast system and non-broadcast system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/09—Arrangements for receiving desired information automatically according to timetables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
- H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26275—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for distributing content or additional data in a staggered manner, e.g. repeating movies on different channels in a time-staggered manner in a near video on demand system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26283—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for associating distribution time parameters to content, e.g. to generate electronic program guide data
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Broadcast prolongation table generator (5) is with reference to the broadcasting schedule of the airtime of expression content, generating expression can disperse the broadcast prolongation during the content of download more than 1 to show via communication network (7) from broadcast supplementary device (4), and broadcasts this broadcast prolongation table to content reception apparatus (6).
Description
Technical field
The present invention relates to representing the broadcast prolongation table generator and the broadcast replenishment system possessing broadcast prolongation table generator etc. and broadcast compensation process that can show from the broadcast prolongation of broadcasting during supplementary device downloading contents to broadcast.
Background technology
In recent years, broadcast is developed with the fusion communicated, when content reception apparatus normally cannot receive the content from data broadcast devices broadcasting, the broadcast replenishment system downloading the non-reception part of this content from server unit via communication network is disclosed in following patent documentation 1.
That is, as long as the content reception apparatus of broadcasting in replenishment system normally can receive the content from data broadcast devices broadcasting, just this content can normally be regenerated.
But, according to the wave condition etc. during reception content, sometimes cannot normally receive this content, and a part for this content disappearance, under these circumstances, cannot normally regenerate this content.
Therefore, if the part disappearance of content, then this lack part (non-reception part) is notified server unit via communication network by content reception apparatus.
If server unit receives the notice of the non-reception part of content from content reception apparatus, then this non-reception part is sent to content reception apparatus via communication network.
If content reception apparatus has downloaded the non-reception part of content from server unit, then the part combining this non-reception part and normally received in the broadcast, has constructed complete content.
Thus, content reception apparatus can normally reproducing contents, but such as in the wave condition deterioration due to reasons such as weather, thus the content reception apparatus that there occurs in certain region is normally cannot receive the situation from the content of data broadcast devices broadcasting, can envisions and will belong to multiple content reception apparatus of this region together from the state of affairs of server unit downloading contents.Like this, if multiple content reception apparatus starts the download of content together, then the traffic carrying capacity of communication network sharply increases, so there is the congested of communication network, be difficult to continue normal communication, content reception apparatus cannot from server unit downloading contents.
Therefore, in order to disperse the timing of multiple content reception apparatus downloading contents, multiple content reception apparatus uses randomizer, the beginning timing of the download of setting content randomly.
Patent documentation 1: Japanese Unexamined Patent Publication 2006-165915 publication (summary)
Summary of the invention
Broadcast replenishment system is in the past formed as described above, if so multiple content reception apparatus uses randomizer, and the beginning timing of the download of setting content randomly, then the beginning timing dispersion that multiple content reception apparatus can be made to start to download.But when normally receiving multiple content, concentrate the download of multiple content in sometimes during certain, under these circumstances, the traffic carrying capacity of the communication network in during certain sharply increases, so there is the congested problem of communication network when having.
The present invention completes to solve problem as described above, its object is to obtain a kind of broadcast prolongation table generator, broadcast replenishment system and broadcast compensation process, even if when multiple content normally cannot be received, also the download of multiple content can be made to disperse, prevent the congested of communication network.
The invention provides a kind of broadcast replenishment system, possess: broadcaster of content, the broadcasting schedule according to the airtime representing content is broadcasted content, broadcast supplementary device, provides the content from broadcaster of content broadcast via communication network, and broadcast prolongation table generator, with reference to above-mentioned broadcasting schedule, generate and represent and the broadcast prolongation during the content of download more than 1 can be disperseed to show via communication network from broadcast supplementary device, this broadcast prolongation table is broadcasted, content reception apparatus receives the broadcast prolongation table from the table generator broadcast of broadcast prolongation, when there is the non-reception part that cannot normally receive from the content of broadcaster of content broadcast, show with reference to this broadcast prolongation, during determining to download foregoing, and within above-mentioned period, determine the timing starting to download randomly, with above-mentioned timing match from the non-reception part broadcasting supplementary device downloading contents.
According to the present invention, possess: broadcaster of content, the broadcasting schedule according to the airtime representing content is broadcasted content, broadcast supplementary device, provides the content from broadcaster of content broadcast via communication network, and broadcast prolongation table generator, with reference to above-mentioned broadcasting schedule, generate and represent and the broadcast prolongation during the content of download more than 1 can be disperseed to show via communication network from broadcast supplementary device, this broadcast prolongation table is broadcasted, content reception apparatus receives the broadcast prolongation table from the table generator broadcast of broadcast prolongation, when there is the non-reception part that cannot normally receive from the content of broadcaster of content broadcast, show with reference to this broadcast prolongation, during determining to download foregoing, and within above-mentioned period, determine the timing starting to download randomly, with above-mentioned timing match from the non-reception part broadcasting supplementary device downloading contents, even if so have when multiple content normally cannot be received, also the download of multiple content can be made to disperse and prevent the congested effect of communication network.
Accompanying drawing explanation
Fig. 1 is the structure chart of the broadcast replenishment system that embodiments of the present invention 1 are shown.
Fig. 2 is the structure chart of the content reception apparatus of the broadcast replenishment system that embodiments of the present invention 1 are shown.
Fig. 3 is the flow chart of the contents processing of the content reception apparatus of the broadcast replenishment system that embodiments of the present invention 1 are shown.
Fig. 4 is the structure chart of the broadcast prolongation table generator that embodiments of the present invention 1 are shown.
Fig. 5 is the flow chart of the contents processing of the broadcast prolongation table generator that embodiments of the present invention 1 are shown.
Fig. 6 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
Fig. 7 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
Fig. 8 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
Fig. 9 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
Figure 10 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
(symbol description)
1: content server; 2: Promgramming device; 3: broadcaster of content; 4: broadcast supplementary device; 5: broadcast prolongation table generator; 6: content reception apparatus; 7: communication network; 11: broadcast wave receiver (broadcast prolongation table acquisition unit, content receipt unit); 12: broadcast prolongation table obtaining section (broadcast prolongation table acquisition unit); 13: content obtaining section (content receipt unit); 14: content record portion (content receipt unit); 15: normally receive detection unit (during can downloading determining unit); 16: determination portion (during can downloading determining unit) during can downloading; 17: network interface portion (download unit); 18: randomizer (download unit); 19: download and start timing determination section (download unit); 20: download section (download unit); 21: content constructs portion's (content reproduction unit); 22: content reproduction portion (content reproduction unit); 31: broadcasting schedule obtaining section (broadcasting schedule acquisition unit); 32: broadcast prolongation table generating unit (broadcast prolongation table generation unit); 33: broadcast prolongation table broadcast portion (broadcast prolongation table radio unit).
Embodiment
Below, in order to be described in more detail the present invention, with reference to the accompanying drawings, embodiment is described.
Execution mode 1.
Fig. 1 is the structure chart of the broadcast replenishment system that embodiments of the present invention 1 are shown.
In FIG, content server 1 is the server unit of the content having put aside broadcast.
Promgramming device 2 is the devices content that will broadcast being carried out to layout, and the broadcasting schedule implementing the airtime of the content A ~ N by representing scheduled broadcast outputs to the process of broadcaster of content 3, broadcast supplementary device 4 and broadcast prolongation table generator 5.
Broadcaster of content 3 implements the following processing: with reference to the broadcasting schedule exported from Promgramming device 2, obtain the content A ~ N of scheduled broadcast, and according to this broadcasting schedule, broadcast the content A ~ N of scheduled broadcast from content server 1.
Broadcaster of content 3, when the content A to scheduled broadcast ~ N broadcasts, by implementing the protocol processes of broadcast, utilize broadcast wave to carry out broadcasted content A ~ N, but the kind of broadcast wave is not particularly limited, and such as, both can be ground ripple, also can be satellite ripple.
Preferably in 1, the example that broadcaster of content 3 utilizes broadcast wave and broadcasts content A ~ N is shown, but also can not utilizes broadcast wave and utilize communication network 7 pairs of contents to carry out multicast (wide area broadcasting).
Broadcast supplementary device 4 implements the following processing: the content A ~ N obtaining scheduled broadcast from content server 1, put aside this content A ~ N, on the other hand, if what receive content from content reception apparatus 6 via communication network 7 provides requirement, then provide the identifying information of the content comprised in requirement (such as according to this, program ID(Identification(identifier))), with the comformed information of the defect part represented in this content (such as, byte number from the beginning of content and data volume etc.), determine desirable to provide the non-reception part of content, the non-reception part of this content is distributed to content reception apparatus 6 via communication network 7.
Broadcast prolongation table generator 5 implements the following processing: with reference to the broadcasting schedule exported from Promgramming device 2, generating expression can disperse the broadcast prolongation during downloading contents A ~ N to show via communication network 7 from broadcast supplementary device 4, broadcasts this broadcast prolongation table.
Broadcast prolongation table generator 5, to when the broadcast prolongation, table was broadcasted, by implementing the protocol processes of broadcast, utilizes broadcast wave to broadcast broadcast prolongation table, but the kind of broadcast wave is not particularly limited, such as, both can be ground ripple, also can be satellite ripple.
Preferably in 1, illustrate that broadcast prolongation table generator 5 utilizes broadcast wave show to the example of broadcasting the broadcast prolongation, but also can not utilize broadcast wave, and utilize communication network 7, show to carry out multicast (wide area broadcasting) to the broadcast prolongation.
Content reception apparatus 6 implements the following processing: receive the broadcast prolongation table of broadcasting from broadcast prolongation table generator 5, when there is the non-reception part that normally cannot receive the content broadcasted from broadcaster of content 3, show with reference to this broadcast prolongation, during determining to download this content, and within above-mentioned period randomly determine start download timing, with above-mentioned timing match from the non-reception part broadcasting supplementary device 4 downloading contents.
Communication network 7 is the networks such as such as internet.
In FIG, the device of side that provides showing content has the example of content server 1, Promgramming device 2, broadcaster of content 3, broadcast supplementary device 4 and broadcast prolongation table generator 5, but be not limited thereto, such as, also can be that there is 1 device that content server 1, Promgramming device 2, broadcaster of content 3, broadcast supplementary device 4 and broadcast prolongation show the function of generator 5.
Fig. 2 is the structure chart of the content reception apparatus 6 of the broadcast replenishment system that embodiments of the present invention 1 are shown.
In fig. 2, broadcast wave receiver 11 implements the following processing: receive the broadcast wave sent from broadcaster of content 3 and broadcast prolongation table generator 5, from this broadcast wave demodulated content or broadcast prolongation table.
Broadcast prolongation table obtaining section 12 is made up of the semiconductor integrated circuit such as installing CPU or slice microcomputer etc., implement when be demodulation of broadcast prolongation table by broadcast wave receiver 11, broadcast prolongation table is obtained from broadcast wave receiver 11, and by the process of this broadcast prolongation table record to inner memory.
In addition, show obtaining section 12 by broadcast wave receiver 11 and broadcast prolongation and constitute broadcast prolongation table acquisition unit.
Content obtaining section 13 is made up of the semiconductor integrated circuit such as installing CPU or slice microcomputer etc., implement when demodulation of content by broadcast wave receiver 11, this content is obtained from broadcast wave receiver 11, and by the process of this content record to content record portion 14.
Content record portion 14 is the data carriers such as RAM, hard disk preserving content.
In addition, content receipt unit is constituted by broadcast wave receiver 11, content obtaining section 13 and content record portion 14.
Can normal reception detection unit 15 has the formations such as the semiconductor integrated circuit of such as having installed CPU or slice microcomputer, implements the continuity etc. checking the content recorded by content record portion 14, judge the process that normally receive this content.
During can downloading, determination portion 16 is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implement when by normally receive detection unit 15 be judged to normally to receive content, show with reference to the broadcast prolongation obtained by broadcast prolongation table obtaining section 12, determine to download the process during this content.
In addition, by normally receive detection unit 15 and during can downloading determination portion 16 constitute can download during determining unit.
Network interface portion 17 implements the network equipment for the interface process of communication network 7.
Randomizer 18 is implemented the process as the random value of random number occurs.
Download beginning timing determination section 19 to be such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implement the following processing: when by normally receive detection unit 15 be judged to normally to receive content, the timing (timing of download determining according to the random value that occurs from randomizer 18) of downloading determining randomly in during being determined by determination portion 16 during can downloading.
Download section 20 is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implement the following processing: if become the beginning timing of the download that timing determination section 19 determines by downloading, then via network interface portion 17, by comprise the content that cannot normally receive identifying information and represent defect part comformed information content requirement is provided, broadcast supplementary device 4 is sent to, from broadcasting the non-reception part of supplementary device 4 via communication network 7 downloading contents via communication network 7.
In addition, by network interface portion 17, randomizer 18, download, timing determination section 19 and download section 20 constitute download unit.
Content is constructed portion 21 and is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implement the following processing: the normal receiving unit combining the content recorded by content record portion 14 and the non-reception part downloaded by download section 20 to construct complete content, and by this content record to content record portion 14.
Content reproduction portion 22 is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implements the process of the complete content of record in reproducing contents recording unit 14.
In addition, construct portion 21 and content reproduction portion 22 by content and constitute content reproduction unit.
In the example in figure 2, assume that the broadcast wave receiver 11 of the inscape as content reception apparatus 6, broadcast prolongation table obtaining section 12, content obtaining section 13, content record portion 14, normal reception detection unit 15, determination portion 16 during can downloading, network interface portion 17, randomizer 18, download and start timing determination section 19, download section 20, content constructs each example be made up of special hardware in portion 21 and content reproduction portion 22, but when content reception apparatus 6 is made up of computer, also can will describe broadcast wave receiver 11, broadcast prolongation table obtaining section 12, content obtaining section 13, content record portion 14, normal reception detection unit 15, determination portion 16 during can downloading, network interface portion 17, randomizer 18, download and start timing determination section 19, download section 20, the program that content constructs the contents processing in portion 21 and content reproduction portion 22 is saved in the memory of computer, and makes the CPU of this computer perform the program of preserving in this memory.
Fig. 3 is the flow chart of the contents processing of the content reception apparatus 6 of the broadcast replenishment system that embodiments of the present invention 1 are shown.
Fig. 4 is the structure chart of the broadcast prolongation table generator 5 that embodiments of the present invention 1 are shown.
In the diagram, broadcasting schedule obtaining section 31 is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., and enforcement obtains the process of the broadcasting schedule exported from Promgramming device 2.In addition, broadcasting schedule obtaining section 31 constitutes broadcasting schedule acquisition unit.
Broadcast prolongation table generating unit 32 is such as made up of the semiconductor integrated circuit installing CPU or slice microcomputer etc., implement the following processing: with reference to the broadcasting schedule obtained by broadcasting schedule obtaining section 31, when the content of more than 1 broadcasted from broadcaster of content 3 normally cannot be received, generate represent can from broadcast supplementary device 4 via communication network 7 via dispersion download more than 1 content during the broadcast prolongation show.
In addition, broadcast prolongation table generating unit 32 and constitute broadcast prolongation table generation unit.
Broadcast prolongation table broadcast portion 33 is made up of broadcast wave transmitter etc., implements the broadcast prolongation generated by broadcast prolongation table generating unit 32 to show to be modulated to broadcast wave, and sends the process of this broadcast wave.In addition, broadcast prolongation table broadcast portion 33 and constitute broadcast prolongation table radio unit.
In the example in fig. 4, assume that the broadcasting schedule obtaining section 31 of the inscape as broadcast prolongation table generator 5, each example be made up of special hardware in broadcast prolongation table generating unit 32 and broadcast prolongation table broadcast portion 33, but when the broadcast prolongation, table generator 5 was made up of computer, also broadcasting schedule obtaining section 31 will can be described, the program of the contents processing in broadcast prolongation table generating unit 32 and broadcast prolongation table broadcast portion 33 is saved in the memory of computer, and make the CPU of this computer perform the program of preserving in this memory.
Fig. 5 is the flow chart of the contents processing of the broadcast prolongation table generator 5 that embodiments of the present invention 1 are shown.
Next, action is described.
Promgramming device 2 is such as under the instruction of contents producer etc., the content that layout will be broadcasted, outputs to broadcaster of content 3, broadcast supplementary device 4 and broadcast prolongation table generator 5 by the broadcasting schedule of the airtime representing the content A ~ N of scheduled broadcast.
Herein, Fig. 6 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.Preferably in 1, for ease of illustrating, export as shown in Figure 6, according to content A → content B → content C → content D → content E → ... order, to the broadcasting schedule that various content A ~ N broadcasts.
If broadcast prolongation table generator 5 receives broadcasting schedule from Promgramming device 2, then with reference to this broadcasting schedule, generate and represent that content reception apparatus 6 can disperse the broadcast prolongation during downloading contents A ~ N to show via communication network 7 from broadcast supplementary device 4, this broadcast prolongation table is broadcasted.
Below, the contents processing of broadcast prolongation table generator 5 is illustrated.
If the broadcast prolongation broadcasting schedule obtaining section 31 of table generator 5 outputs broadcasting schedule (the step ST51 of Fig. 5) from Promgramming device 2, then obtain this broadcasting schedule, and this broadcasting schedule is outputted to broadcast prolongation table generating unit 32(step ST52).
If broadcast prolongation table generating unit 32 receives broadcasting schedule from broadcasting schedule obtaining section 31, then with reference to this broadcasting schedule, generate and represent that content reception apparatus 6 can disperse the broadcast prolongation during downloading contents A ~ N to show (step ST53) via communication network 7 from broadcast supplementary device 4.
The start time can downloaded during the content of scheduled broadcast is after the off-the-air of this content.
Such as, can start time during downloading contents A as shown in Figure 6, be from the broadcast of content A start have passed through the T1 time moment (from start content A broadcast moment after a predetermined time), can be the T2 time during downloading contents A.
Therefore, it is possible to the finish time during downloading contents A is the moment that have passed through the T1+T2 time from the broadcast of content A.
In the example of fig. 6, in order to make the broadcast of content A ~ N supplement timing dispersion, each in content A ~ N is not overlapping during can downloading, and during certain, only can download a content.
If broadcast prolongation table generating unit 32 generates broadcast prolongation table, then broadcast prolongation table broadcast portion 33 by this broadcast prolongation table is modulated to broadcast wave, and send this broadcast wave, this broadcast prolongation table (step ST54) is broadcasted to multiple content reception apparatus 6.
If broadcaster of content 3 receives broadcasting schedule from Promgramming device 2, then with reference to this broadcasting schedule, identify the content A ~ N of scheduled broadcast, obtain the content A ~ N of scheduled broadcast from content server 1.
If broadcaster of content 3 achieves the content A ~ N of scheduled broadcast, then according to this broadcasting schedule, the content A ~ N of scheduled broadcast is broadcasted.
That is, broadcaster of content 3 is by being broadcast wave by the content A of scheduled broadcast ~ N-modulation, and sends this broadcast wave, multiple content reception apparatus 6 is broadcasted to the content A ~ N of scheduled broadcast.
In the example of fig. 6, according to content A → content B → content C → content D → content E → ... order, content A ~ N is broadcasted.
Content reception apparatus 6 receives the broadcast prolongation table of broadcasting from broadcast prolongation table generator 5.
In addition, content reception apparatus 6 receives the content broadcasted from broadcaster of content 3.
Now, when there is the non-reception part that normally cannot receive the content broadcasted from broadcaster of content 3, with reference to the broadcast prolongation table of broadcasting from broadcast prolongation table generator 5, during can downloading this content, from the non-reception part of broadcast supplementary device 4 downloading contents.
Such as, envision the following state of affairs: in the wave condition deterioration due to reasons such as weather, thus there occurs the multiple content reception apparatus 6 belonging to certain region cannot normally receive content A, B, C situation when, the multiple content reception apparatus 6 belonging to this region are from broadcast supplementary device 4 downloading contents A, B, C together.
But, preferably in 1, there is not the mode of multiple content reception apparatus 6 state of affairs of downloading contents A, B, C simultaneously, disperse during allowing to downloading contents A, B, C.
Below, the contents processing of content reception apparatus 6 is illustrated.
If the broadcast wave receiver 11 of content reception apparatus 6 receives the broadcast wave (the step ST31 of Fig. 3) sent from broadcast prolongation table generator 5, then from this broadcast wave demodulation broadcast prolongation table, and this broadcast prolongation table is outputted to broadcast prolongation table obtaining section 12(step ST32).
If broadcast prolongation table obtaining section 12 outputs broadcast prolongation table from broadcast wave receiver 11, then obtain this broadcast prolongation table, and by this broadcast prolongation table record to inner memory (step ST33).
Next, if broadcast wave receiver 11 receives the broadcast wave (step ST34) sent from broadcaster of content 3, then from this broadcast wave demodulated content A ~ N, and this content A ~ N is outputted to content obtaining section 13(step ST35).
If content obtaining section 13 outputs content A ~ N from broadcast wave receiver 11, then obtain this content A ~ N, and be recorded to content record portion 14(step ST36).
If content A ~ N is recorded to content record portion 14 by content obtaining section 13, then normally receives detection unit 15 by for each of content A ~ N, such as, check the continuity etc. of this content, determine whether normally to have received content A ~ N(step ST37).
Herein, for ease of illustrating, being set to for content D ~ N, normally receiving, but content A, B, C normally do not receive and be described.
The result of determination normally receiving detection unit 15 outputted to determination portion 16 during can downloading, download beginning timing determination section 19 and content reproduction portion 22.
Thus, although be identified as can reproducing contents D ~ N in content reproduction portion 22, can not reproducing contents A, B, C at current time, even if hypothesis receives the regeneration instruction of content A, B, C from user etc., do not accept this regeneration yet.Now, also can before constructing complete content A, B, C during, the information displaying such as the meaning that cannot regenerate are in not shown display.
If the normal result of determination receiving detection unit 15 represents the meaning (step ST38) that normally cannot receive content A, B, C, the broadcast prolongation table recorded in the internal storage of determination portion 16 with reference to broadcast prolongation table obtaining section 12 during then can downloading, during determining to download this content A, B, C (step ST39).
In the example of fig. 6, the moment that have passed through the T1 time from the broadcast start time of content A is can start time during downloading contents A, is can finish time during downloading contents A from this start time through the moment of T2 time.
In addition, the moment that have passed through the T1+T2 time from the broadcast start time of content A is can start time during downloading contents B, is can finish time during downloading contents B from this start time through the moment of T2 ' time.
In addition, the moment that have passed through the T1+T2+T2 ' time from the broadcast start time of content A is can start time during downloading contents C, from this start time through T2 " moment of time is can finish time during downloading contents C.
Randomizer 18 is configured to such as can downloading contents A(or content B, content C) during, multiple content reception apparatus 6 start time different content A(or, content B, content C) download, there is the random value (step ST40) as random number.
Such as, there is " X " and as random value R in the randomizer 18 of certain content reception apparatus 6, and the randomizer 18 of other guide receiving system 6 " Y " different from " X " occurs and as random value R.
Download and start timing determination section 19 such as when downloading contents A, in during being determined by determination portion 16 during can downloading (during time T2), according to the random value R occurred from randomizer 18, determine beginning timing (step ST41) of the download of the non-reception part of this content A.
Such as, during downloading contents A, when making the beginning of download timing Tm be separated into 10, can adjust in the mode of generation random value R the scope of " 0 " ~ " 9 " in.
Then, by random value R is substituted into following formula, calculate the beginning timing Tm downloaded.
Tm=T1+T2×R/10
In addition, when downloading contents B, during being determined by determination portion 16 during can downloading in (during time T2 '), according to the random value R occurred from randomizer 18, determine the beginning timing of the download of the non-reception part of this content B.
In addition, when downloading contents C, during being determined by determination portion 16 during can downloading (time T2 " during) in, according to the random value R occurred from randomizer 18, determine the beginning timing of the download of the non-reception part of this content C.
If download start timing determination section 19 determine content A, B, C download beginning timing, then download section 20 monitors not shown clock, detection content A, B, C download beginning timing.
If download section 20 such as detects beginning timing (step ST42) of the download of content A, then via network interface portion 17, to the identifying information (program ID) of content A be comprised and represent that the providing of content A of comformed information (byte number such as, from the beginning of content A and data volume etc.) of the defect part in content A requires to be sent to broadcast supplementary device 4(step ST43 via communication network 7).
In addition, if detect beginning timing (step ST42) of the download of content B, then via network interface portion 17, to the identifying information (program ID) of content B be comprised and represent that the providing of content B of comformed information (byte number such as, from the beginning of content B and data volume etc.) of the defect part in content B requires to be sent to broadcast supplementary device 4(step ST43 via communication network 7).
In addition, if detect beginning timing (step ST42) of the download of content C, then via network interface portion 17, to the identifying information (program ID) of content C be comprised and represent that the providing of content C of comformed information (byte number such as, from the beginning of content C and data volume etc.) of the defect part in content C requires to be sent to broadcast supplementary device 4(step ST43 via communication network 7).
Broadcast supplementary device 4 obtains the content A ~ N of scheduled broadcast from content server 1, and put aside this content A ~ N, if what receive content from content reception apparatus 6 via communication network 7 provides requirement, then provide the identifying information of the content comprised in requirement according to this and represent the comformed information of the defect part in content, determine desirable to provide the non-reception part of content, and the non-reception part of this content is sent to content reception apparatus 6 via communication network 7.
Download section 20 is via network interface portion 17, from broadcast supplementary device 4 via communication network 7 downloading contents A(or, content B, content C) non-reception part, by content A(or, content B, content C) non-reception part output to content and construct portion 21(step ST44).
If content construct portion 21 from download section 20 receive content A(or, content B, content C) non-reception part, then to obtain in content record portion 14 record content A(or, content B, content C) normal receiving unit.
Then, content construct portion 21 combined arrangement A(or, content B, content C) normal receiving unit and non-reception part to construct complete content, by complete content A(or, content B, content C) be recorded to content record portion 14(step ST45).
If content construct portion 21 by complete content A(or, content B, content C) be recorded to content record portion 14, then content reproduction portion 22 such as receive from user etc. content A(or, content B, content C) regeneration instruction time or by complete content A(or, content B, content C) be just recorded to timing after content record portion 14, obtain from content record portion 14 complete content A(or, content B, content C), regenerate this content A(or, content B, content C) (step ST46).
Can know significantly according to this execution mode 1 from the above, be provided with: broadcaster of content 3, according to the broadcasting schedule of the airtime of expression content, content be broadcasted, broadcast supplementary device 4, provides the content broadcasted from broadcaster of content 3 via communication network 7, and broadcast prolongation table generator 5, with reference to this broadcasting schedule, generate and represent and the broadcast prolongation during the content of download more than 1 can be disperseed to show via communication network 7 from broadcast supplementary device 4, and this broadcast prolongation table is broadcasted, content reception apparatus 6 receives the broadcast prolongation table of broadcasting from broadcast prolongation table generator 5, when there is the non-reception part that normally cannot receive the content broadcasted from broadcaster of content 3, show with reference to this broadcast prolongation, during determining to download this content, and within this period, determine the timing starting to download randomly, with this timing match from the non-reception part broadcasting supplementary device 4 downloading contents, even if so play when multiple content normally cannot be received, the download of multiple content is disperseed, and can prevent communication network 7 from congested effect occurring.
In addition, preferably in 1, show to download and start timing determination section 19 according to the random value R occurred from randomizer 18, determine that the download of non-reception part starts the example of timing, as long as but timing by the download of multiple content reception apparatus 6 downloading contents is disperseed, also by the method beyond the random value R from randomizer 18 generation, can determine that the download of content starts timing.
Execution mode 2.
In above-mentioned execution mode 1, show the broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 with reference to broadcasting schedule, generate the example that expression can disperse the broadcast prolongation during downloading contents A ~ N to show via communication network 7 from broadcast supplementary device 4, but also can when generating this broadcast prolongation table, during can downloading content A ~ N of broadcasting from broadcaster of content 3, during the length that setting is proportional with the data volume of content A ~ N.
Specifically, broadcast prolongation table generating unit 32 as described below, generates broadcast prolongation table.
When broadcaster of content 3 is broadcasted content A ~ N with constant transfer rate, the data volume of content A ~ N is more, and the airtime of content A ~ N is longer.
In addition, the data volume of content A ~ N is more, and content reception apparatus 6 is high from the possibility that data quantitative change during broadcast supplementary device 4 downloading contents is many.
Therefore, if the data volume of content is more, longer during making to download, then the download timing of content is disperseed, and in communication network 7, the data volume of flowing is averaged, and communication network 7 can be prevented congested.
Therefore, prolongation table generating unit 32 is broadcasted by be set as during the length proportional with the data volume of content A ~ N can during downloading contents A ~ N.
That is, can start time during downloading contents A ~ N in the same manner as above-mentioned execution mode 1, after being the off-the-air of this content, such as, can the start time during downloading contents A be the moment that have passed through the T1 time from the broadcast of content A starts.
Can during downloading contents A ~ N as mentioned above, such as, during being the length proportional with the data volume of content A ~ N, using as the T2 time during downloading contents A being set as the length proportional with the data volume of content A.
Can know significantly according to this execution mode 2 from the above, when broadcasting prolongation table generating unit 32 and generating broadcast prolongation table, as can during downloading contents A ~ N, during the length that setting is proportional with the data volume of content A ~ N, can prevent from the congested effect of communication network 7 during broadcast supplementary device 4 downloading contents so play.
Execution mode 3.
In above-mentioned execution mode 1, show the broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 with reference to broadcasting schedule, generate the example that expression can disperse the broadcast prolongation during downloading contents A ~ N to show via communication network 7 from broadcast supplementary device 4, but also can when generating this broadcast prolongation table, during can downloading content A ~ N of broadcasting from broadcaster of content 3, during the length that setting is proportional with airtime of content A ~ N.
Specifically, broadcast prolongation table generating unit 32 as described below, generates broadcast prolongation table.
When broadcaster of content 3 is broadcasted content A ~ N with constant transfer rate, the airtime of content A ~ N is longer, and the capacity of content A ~ N is larger (airtime and the capacity of content are proportional).
In addition, the capacity of content A ~ N is larger, and content reception apparatus 6 is high from the possibility that data quantitative change during broadcast supplementary device 4 downloading contents is many.
Therefore, if the airtime of content is longer, longer during making to download, then the download timing of content is disperseed, and in communication network 7, the data volume of flowing is averaged, and communication network 7 can be prevented congested.
Therefore, prolongation table generating unit 32 is broadcasted by be set as during the length proportional with the airtime of content A ~ N can during downloading contents A ~ N.
Herein, Fig. 7 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
In the example of fig. 7, be set to that the airtime of each content is identical with the Downloadable period (time T2) of each content in broadcast prolongation table.
Thus, the data volume of time per unit when downloading each content is averaged in theory.
In addition, in the example of fig. 7, time T2 becomes the time identical with the airtime of each content, and the timing of downloading each content is not overlapping.
Can know significantly from the above, according to this execution mode 3, when broadcasting prolongation table generating unit 32 and generating broadcast prolongation table, as can during downloading contents A ~ N, during the length that setting is proportional with airtime of content A ~ N, can prevent from the congested effect of communication network 7 during broadcast supplementary device 4 downloading contents so play.
Execution mode 4.
In above-mentioned execution mode 3, show broadcaster of content 3 content is broadcasted one by one, broadcast prolongation table generator 5 generates the example of broadcast prolongation table in nonoverlapping mode during allowing to download each content, but when broadcaster of content 3 broadcasts multiple content simultaneously, broadcast prolongation table generator 5 also can generate broadcast prolongation table in the mode of overlap during allowing to download multiple content.
Fig. 8 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
In fig. 8, illustrate that broadcaster of content 3 broadcasts the example of 2 contents simultaneously, such as, broadcasted content A and content M simultaneously.
Now, envision the conveyer belt compared to content A ~ E, the conveyer belt of content M ~ P is wider, so such as, if be conceived to airtime identical content A and content M, then compared to the data volume of content A, the data volume of content M is more.
But, the broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 is with reference to broadcasting schedule, as can during downloading contents A ~ E, during setting the length proportional with the airtime of content A ~ E, as can during downloading contents M ~ P, during setting the length proportional with the airtime of content M ~ P.
Therefore, even if generate broadcast prolongation table in the mode of overlap during allowing to download multiple content, in the communication network 7 in each time-bands, the data volume of flowing is also averaged, and communication network 7 can be prevented congested.
Can know significantly from the above, according to this execution mode 4, when broadcaster of content 3 broadcasts multiple content simultaneously, the broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 is in mode overlapping between multiple content during allowing to downloading contents, generate broadcast prolongation table, and be set as during each content can be downloaded with the length that the airtime of each content is proportional during, can prevent from communication network 7 congested effect during broadcast supplementary device 4 downloading contents so play.
Execution mode 5.
In above-mentioned execution mode 1 ~ 4, though do not mention especially, be subject to the impact of the rating of this content from the number of units of the content reception apparatus 6 of broadcast supplementary device 4 downloading contents.
Such as, even reception situation is the content of same degree, if rating is high, then become many in the number of units of the content reception apparatus 6 of identical time-bands downloading contents, contrary ground, if rating is low, then tails off in the number of units of the content reception apparatus 6 of identical time-bands downloading contents.
Therefore, if download the high content of rating continually, then likely cause communication network 7 congested.
Therefore, preferably in 5, by in the mode repeated between multiple content (content that rating is high and the low content of rating) during allowing to downloading contents, generate broadcast prolongation table, in multiple content, the frequency of the download of content-based rating is averaged, realize the equalization of the data volume of flowing in the communication network 7 in each time-bands.
Fig. 9 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
In fig .9, the Downloadable period showing content A and content B repeats, the example of the Downloadable period repetition of content C and content D.
In the example of figure 9, the rating of content B, D is extremely high, and the rating of content A, C is low, so as the combination of the content making Downloadable period repeat, be combined with content A and content B, and, be combined with content C and content D.
The broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 is when content B, D that download rating is high, in order to not cause communication network 7 congested, longer than the airtime of each content during allowing to download each content.
Such as, can be the T2 time during downloading contents A and content B, longer than the airtime of content A, content B.
But, in order to not impact the broadcasting schedule of other guide, as can T2 time during downloading contents A and content B shorter than the airtime T3 of the total of content A and content B.Or, equal the airtime T3 of the total of content A and content B.
T2≦T3
Execution mode 6.
Figure 10 is the key diagram of the example that broadcasting schedule and broadcast prolongation table are shown.
Broadcaster of content 3 sometimes as shown in Figure 10, during regulation in (such as, during the content of broadcast 20 programs or every 8 hours setting regulations), the content that repeated multiple times broadcast is identical.
In the example of Figure 10, at period α, content A is broadcasted 3 times, content B broadcasted 2 times, content C is broadcasted 1 time.
The broadcast prolongation table generating unit 32 of broadcast prolongation table generator 5 is in the same manner as above-mentioned execution mode 1 ~ 5, consider the data volume, airtime, anticipation rating etc. of content, and generate broadcast prolongation table, but for during regulation, the content of repeated multiple times broadcast, carried out last broadcast in this period after, during only setting can be downloaded for 1 time.
Such as, in period α, content A is broadcasted 3 times, but after the broadcast having carried out the 3rd time, and only setting 1 time can during downloading contents A.
Broadcast prolongation table generating unit 32 is described above, 1 time is become in order to make the Downloadable period of the content of repeated multiple times broadcast, such as, compared to number " 6 " (=3+2+1) of the content broadcasted at period α, make a side of the number of times " 3 " of the Downloadable period relevant to each content less, but to make the content A in period α, the total ascent time T α of airtime of B, C and the mode consistent to the total ascent time T4 of content A, Downloadable period that B, C are relevant, set and content A, Downloadable period that B, C are relevant.
Tα=T4
Can know significantly from the above, according to this execution mode 6, when broadcasting prolongation table generating unit 32 and generating broadcast prolongation table, in the content broadcasted during certain from broadcaster of content 3, when comprising the content repeatedly broadcasted, during being set as downloading the content repeatedly broadcasted and the total ascent time can downloaded during the content only broadcasting 1 time consistent with the total ascent time of the airtime of all the elements broadcasted during certain from broadcaster of content 3, so play can eliminate from broadcast supplementary device 4 downloading contents time data volume offset in time, the effect that communication network 7 is congested can be prevented.
Utilizability in industry
As described above, in broadcast prolongation table generator of the present invention, broadcast replenishment system and broadcast compensation process, even if when multiple content normally cannot be received, the download of multiple content is disperseed, and it is congested to prevent communication network from occurring, so be applicable to representing the broadcast prolongation table generator and the broadcast replenishment system possessing broadcast prolongation table generator etc. and broadcast compensation process that can show from the broadcast prolongation of broadcasting during supplementary device downloading contents to broadcast.
Claims (9)
1. broadcast a prolongation table generator, it is characterized in that possessing:
Broadcasting schedule acquisition unit, obtains the broadcasting schedule of the airtime of the multiple contents represented from broadcaster of content broadcast from Promgramming device;
Broadcast prolongation table generation unit, with reference to the broadcasting schedule obtained by described broadcasting schedule acquisition unit, when the content of more than 1 that broadcasts from described broadcaster of content normally cannot be received, generate represent can from broadcast supplementary device via communication network dispersion download more than 1 content during the broadcast prolongation show; And
Broadcast prolongation table radio unit, the broadcast prolongation generated by described broadcast prolongation table generation unit to content reception apparatus broadcast is shown.
2. broadcast prolongation table generator according to claim 1, is characterized in that,
Broadcast prolongation table generation unit is when generating broadcast prolongation table, during can downloading, set from after broadcaster of content broadcasts content, during proportional with the data volume of the described content broadcast from described broadcaster of content length.
3. broadcast prolongation table generator according to claim 1, is characterized in that,
Broadcast prolongation table generation unit is when generating broadcast prolongation table, during can downloading, set from after broadcaster of content broadcasts content, during proportional with the airtime of the described content broadcast from described broadcaster of content length.
4. broadcast prolongation table generator according to claim 1, is characterized in that,
Broadcast prolongation table generation unit be created on start the broadcast of content from broadcaster of content moment have passed through certain hour after, broadcast prolongation during starting to download table.
5. broadcast prolongation table generator according to claim 1, is characterized in that,
Broadcast prolongation table generation unit generates broadcast prolongation table in the mode repeated between multiple content during allowing to downloading contents.
6. broadcast prolongation table generator according to claim 5, is characterized in that,
Broadcast prolongation table generation unit when generating broadcast prolongation table in the mode repeated between multiple content during allowing to downloading contents, by the length setting of described period be the airtime of described multiple content total ascent time below.
7. broadcast prolongation table generator according to claim 1, is characterized in that,
Broadcast prolongation table generation unit is when generating broadcast prolongation table, when comprising the content repeatedly broadcasted in the content broadcasted during certain from broadcaster of content, during being set as downloading the content repeatedly broadcasted and the total ascent time can downloaded during the content only broadcasting 1 time consistent with the total ascent time of the airtime of all the elements broadcasted during certain from described broadcaster of content.
8. broadcast a replenishment system, it is characterized in that possessing:
Broadcaster of content, the broadcasting schedule according to the airtime representing content is broadcasted content;
Broadcast supplementary device, provides the content broadcasted from described broadcaster of content via communication network;
Broadcast prolongation table generator, with reference to described broadcasting schedule, generate and represent and the broadcast prolongation during the content of download more than 1 can be disperseed to show via communication network from described broadcast supplementary device, described broadcast prolongation table is broadcasted; And
Content reception apparatus, receive the broadcast prolongation table from described broadcast prolongation table generator broadcast, when existence normally cannot receive the non-reception part of the content broadcasted from described broadcaster of content, with reference to described broadcast prolongation table, during determining to download described content, and within described period, determine the timing starting to download randomly, with described timing match download the non-reception part of described content from described broadcast supplementary device.
9. broadcast a compensation process, it is characterized in that possessing:
Content broadcast treatment step, broadcaster of content is broadcasted content according to the broadcasting schedule of the airtime representing content;
Broadcast supplements treatment step, and broadcast supplementary device provides the content broadcasted from described broadcaster of content via communication network;
Broadcast prolongation table provides treatment step, the broadcast prolongation, table generator was with reference to described broadcasting schedule, generate and represent and the broadcast prolongation during the content of download more than 1 can be disperseed to show via communication network from described broadcast supplementary device, described broadcast prolongation table is broadcasted; And
Content reception treatment step, content reception apparatus receives the broadcast prolongation table from described broadcast prolongation table generator broadcast, when existence normally cannot receive the non-reception part of the content broadcasted from described broadcaster of content, with reference to described broadcast prolongation table, during determining to download described content, and within described period, determine the timing starting to download randomly, with described timing match download the non-reception part of described content from described broadcast supplementary device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-114156 | 2010-05-18 | ||
| JP2010114156 | 2010-05-18 | ||
| PCT/JP2011/002705 WO2011145320A1 (en) | 2010-05-18 | 2011-05-16 | Broadcast-complementing schedule offering apparatus, broadcast complementing system, and broadcast complementing method |
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| Publication Number | Publication Date |
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| CN102948158A CN102948158A (en) | 2013-02-27 |
| CN102948158B true CN102948158B (en) | 2015-10-14 |
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| JP (1) | JP5511946B2 (en) |
| KR (1) | KR101399748B1 (en) |
| CN (1) | CN102948158B (en) |
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| CN104427353B (en) * | 2013-09-05 | 2017-09-29 | 北京大学 | Video transmission method and equipment |
| KR102208624B1 (en) | 2014-07-08 | 2021-01-28 | 삼성전자 주식회사 | Electronic device and method for providing contents thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366774A (en) * | 2000-05-31 | 2002-08-28 | 派威公司 | Universal digital broadcast system and methods |
| CN101330509A (en) * | 2007-06-18 | 2008-12-24 | 索尼株式会社 | Server, client apparatus, program and download method |
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| JP4525791B2 (en) * | 2008-04-30 | 2010-08-18 | ソニー株式会社 | Program storage device, program storage reservation method, and program |
| JP2010041646A (en) * | 2008-08-08 | 2010-02-18 | Canon Inc | Digital broadcast receiver and receiving method |
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2011
- 2011-05-16 WO PCT/JP2011/002705 patent/WO2011145320A1/en active Application Filing
- 2011-05-16 BR BR112012023986A patent/BR112012023986A2/en not_active IP Right Cessation
- 2011-05-16 CN CN201180020756.7A patent/CN102948158B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366774A (en) * | 2000-05-31 | 2002-08-28 | 派威公司 | Universal digital broadcast system and methods |
| CN101330509A (en) * | 2007-06-18 | 2008-12-24 | 索尼株式会社 | Server, client apparatus, program and download method |
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| JPWO2011145320A1 (en) | 2013-07-22 |
| BR112012023986A2 (en) | 2016-08-02 |
| JP5511946B2 (en) | 2014-06-04 |
| KR20120132562A (en) | 2012-12-05 |
| WO2011145320A1 (en) | 2011-11-24 |
| CN102948158A (en) | 2013-02-27 |
| KR101399748B1 (en) | 2014-05-27 |
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